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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2014-07-31 10:38:08 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2014-09-16 08:32:10 +0200 |
| commit | ed6e965824303255cacc1c1a195d3684caa26bce (patch) | |
| tree | 26e2b1b78498675ceae4dd2e990836c26ec1d5ec /drivers/input | |
| parent | 5bdc82c54a3306f2ae151a00f2df54f9240395b8 (diff) | |
| download | barebox-ed6e965824303255cacc1c1a195d3684caa26bce.tar.gz barebox-ed6e965824303255cacc1c1a195d3684caa26bce.tar.xz | |
resource: Let dev_request_mem_region return an error pointer
For all users fix or add the error check.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/imx_keypad.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/input/imx_keypad.c b/drivers/input/imx_keypad.c index afe93c3127..c67deb8d49 100644 --- a/drivers/input/imx_keypad.c +++ b/drivers/input/imx_keypad.c @@ -47,6 +47,7 @@ #include <kfifo.h> #include <malloc.h> #include <matrix_keypad.h> +#include <linux/err.h> /* * Keypad Controller registers (halfword) @@ -401,6 +402,8 @@ static int __init imx_keypad_probe(struct device_d *dev) keypad->dev = dev; keypad->mmio_base = dev_request_mem_region(dev, 0); + if (IS_ERR(keypad->mmio_base)) + return PTR_ERR(keypad->mmio_base); if(!keypad->fifo_size) keypad->fifo_size = 50; |